Home / 567,747.95-783,482.27-309,626.87

Finding the Fourth Proportional to 567,747.95, 783,482.27 and 309,626.87

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Solution

The fourth proportional to 567,747.95, 783,482.27 and 309,626.87 is: 427,279.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,747.95 : 783,482.27 = 309,626.87 : x
  2. Step 2: Convert to fraction form
    567,747.95/783,482.27 = 309,626.87/x
  3. Step 3: Cross multiply
    567,747.95x = 783,482.27 × 309,626.87
  4. Step 4: Simplify right side
    567,747.95x = 242,587,157,495.05
  5. Step 5: Solve for x
    x = 242,587,157,495.05/567,747.95
  6. Step 6: Final answer
    x = 427,279.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.